
/*
  获取当前时间
 */
function formatTime(date) {
    var year = date.getFullYear()
    var month = date.getMonth() + 1
    var day = date.getDate()
  
    return [year, month, day].map(formatNumber).join('-')
    // var hour = date.getHours()
    // var minute = date.getMinutes()
    // var second = date.getSeconds()
  
    // return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
  }
  
  function formatNumber(n) {
    n = n.toString()
    return n[1] ? n : '0' + n
  }
  
  
  
  /** 
   * 时间戳转化为年 月 日 时 分 秒 
   * number: 传入时间戳 
   * format：返回格式，支持自定义，但参数必须与formateArr里保持一致 
  */
  function formatTimeTwo(number, format) {
  
    // var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
    var formateArr = ['Y', 'M', 'D'];
    var returnArr = [];
  
    var date = new Date(number * 1000);
    returnArr.push(date.getFullYear());
    returnArr.push(formatNumber(date.getMonth() + 1));
    returnArr.push(formatNumber(date.getDate()));
  
    // returnArr.push(formatNumber(date.getHours()));
    // returnArr.push(formatNumber(date.getMinutes()));
    // returnArr.push(formatNumber(date.getSeconds()));
  
    for (var i in returnArr) {
      format = format.replace(formateArr[i], returnArr[i]);
    }
    return format;
  }
  
  function formatTimeThree(number, format) {
  
    var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
    // var formateArr = ['Y', 'M', 'D'];
    var returnArr = [];
  
    var date = new Date(number * 1000);
    returnArr.push(date.getFullYear());
    returnArr.push(formatNumber(date.getMonth() + 1));
    returnArr.push(formatNumber(date.getDate()));
  
    returnArr.push(formatNumber(date.getHours()));
    returnArr.push(formatNumber(date.getMinutes()));
    returnArr.push(formatNumber(date.getSeconds()));
  
    for (var i in returnArr) {
      format = format.replace(formateArr[i], returnArr[i]);
    }
    return format;
  }
  
  
  function checkDateInfo(dateTime) {
    var olddate = new Date(dateTime);
    //olddate = olddate.getMilliseconds();
    console.log("old time = ", olddate);
    var result = 0;
    var month = 1000 * 60 * 60 * 24 * 30;//将ms转换成天
    var just = new Date().getTime();//获取当前时间，单位ms
    console.log("current time = ", just);
    var diff = just - olddate;
    console.log("diff = ", diff);
    if (diff <= 0) {
      return result;
    }
    var mm = diff / month;
    mm = mm.toFixed();//取整
    result = parseInt(mm);//转换类型
    console.log("result = ", result);
    return result;
  }
  
  // function DateDiff(sDate1, sDate2) {    //sDate1和sDate2是2006-12-18格式  
  //   var aDate, oDate1, oDate2, iDays
  //   aDate = sDate1.split("-")
  //   oDate1 = new Date(aDate[0], aDate[1], aDate[2])    //转换为12-18-2006格式  
  //   aDate = sDate2.split("-")
  //   oDate2 = new Date(aDate[0], aDate[1], aDate[2])
  //   iDays = parseInt(Math.abs(oDate1 - oDate2) / 1000 / 60 / 60 / 24)
  //   return iDays
  // }
  
  module.exports = {
    formatTime: formatTime,
    formatTimeTwo: formatTimeTwo,
    formatTimeThree: formatTimeThree,
    checkDateInfo: checkDateInfo
  }